Deputy Carroll said the fog was so thick that officers did not immediately realise they were dealing with multiple accidents.

The Texas Department of Public Safety said a crash on the eastbound side of the highway led to other accidents in a dangerous chain reaction. There were multiple crashes on the other side of the highway as well.

DPS trooper Stephanie Davis said two people were killed in an SUV crushed by a tractor trailer.

I-10’s eastbound lanes were closed for more than eight hours.

The dead were later identified as Debra Leggio, 60, and Vincent Leggio, 64.